The shortcoming of the position sensor usually used is that it increases the volume of the motor , increases the cost , and decreases the reliability of the systems operation 这种外配位置传感器的使用增加了系统的体积、成本,同时使系统的可靠性降低。
On the basis of optical triangulation measuring principle , the emphasis of the thesis is to investigate the weak signal measuring method of inner diameter employing the psd 基于光三角测量原理,文章重点研究了采用光电位置传感器( psd )进行内径尺寸弱信号检测的方法。
For the sake of better in the industrial realm application , the sensorless brushless dc motor is put forward , and carried on an extensive and thorough research 为了更好的在工业领域中应用,无位置传感器无刷直流电机( sensorlessbldcm )被提出,并进行了广泛、深入的研究。
A simple brushless motor variable - speed system without position sensors is designed , it is based on mcs - 80c196kb and frequency raising - lowering control is realized 本文设计了一个不使用位置传感器的无换向器电动机调速系统,采用mcs - 8单片机,实现了无换向器电动机的升降频控制。
Dissertation researched on the switched reluctance motor control system which takes intel 80c196kc mcu as the control core . designing a control scheme based on position sensor 论文对以80c196kc单片机为控制核心的开关磁阻电动机控制系统进行了研究,得出基于有位置传感器检测的控制方案。
Permanent magnet brushless dc motor is selected for pump driving , a neutral simulator of back - emf is set up for rotor position sensing solution instead of sensor , which proved to be right in theory 本论文叙述了一种智能、高效的光伏水泵系统,系统采用无位置传感器的永磁直流无刷电机驱动水泵。
The system adopts 80c31 mcu as the main controller , hybrid rare - earth permanent magnet stepper motor as the execution component , bio - passage rotary transformer as antenna position sensor 该系统基于80c31单片机为主控制器,采用了混合式稀土永磁步进电机为执行部件,并以双通道旋转变压器为天线位置传感器。
This subject puts emphasis on the research of position sensorless technique of switched reluctance motor ( srm ) for the further development of position sensorless technique of srm 本课题以开关磁阻电动机转子位置间接检测技术为主题开展研究工作,以期有助于无位置传感器sr电机间接检测转子位置技术进一步的研究。
Then the thesis detailedly dissertates its research pivot : the software realization of sensorless commutation detection based on the method of back electromotive force ( bemf ) and open - loop commutation start - up 然后,详细论述了本文的研究重点:基于反电动势法的五位置传感器换相检测和开环换相起动的软件实现。
Based on analyzing and summarizing some problems existing in former bldcm control system , we introduce one kind of sensorless control system for brushless dc motor based on dsp 本文在分析以往的无刷直流电动机控制系统中存在的问题以及总结的基础上设计了一种基于数字信号处理器( dsp )的无位置传感器无刷直流电动机的控制系统。